// Modules to control application life and create native browser window
const {app, BrowserWindow,globalShortcut,dialog} = require('electron')

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow

function createWindow () {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    backgroundColor: '#2e2c29' ,
    webPreferences: {
      nodeIntegration: true
    }
  })

  // and load the index.html of the app.
  // mainWindow.loadFile('index.html')
  mainWindow.loadURL('https://www.baidu.com/')

  mainWindow.once('ready-to-show', () => {
    mainWindow.show()
    console.log('这是干什么用的');
    
  })
  
  // Open the DevTools.
  // mainWindow.webContents.openDevTools()
  mainWindow.webContents.openDevTools()
  // Emitted when the window is closed.
  mainWindow.on('closed', function () {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    mainWindow = null
  })
  globalShortcut.register('CommandOrControl+Y',()=>{
    // alert('lesson 1');
    // dialog.showOpenDialog({ properties: ['openFile', 'openDirectory', 'multiSelections'] },(a)=>{
    //   console.log(a);
      
    // });
    // dialog.showErrorBox('小窗口', '提示的内容')
    dialog.showOpenDialog({
      title:'提示',
      message:'sssss',
      properties:['openFile','multiSelections','createDirectory'],
      securityScopedBookmarks:true,
    },(filepath,bookmarks)=>{
      console.log(filepath[0],bookmarks);
    })

  })
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow)

// Quit when all windows are closed.
app.on('window-all-closed', function () {
  // On macOS it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit()
  }
})

app.on('activate', function () {
  // On macOS it's common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (mainWindow === null) {
    createWindow()
  }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
